diff --git a/service-src/service_gate.c b/service-src/service_gate.c
index 5efdc0b0..0a7f6c8e 100644
--- a/service-src/service_gate.c
+++ b/service-src/service_gate.c
@@ -10,7 +10,7 @@
 #include <stdio.h>
 #include <stdarg.h>
 
-#define BACKLOG 32
+#define BACKLOG 128
 
 struct connection {
 	int id;	// skynet_socket id